[feature/oauth] Create OAuth service classes

PHPBB3-11673

phpBB/phpbb/auth/provider/oauth/service/interface.php

@@ -0,0 +1,31 @@
+<?php
+/**
+*
+* @package auth
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+/**
+* OAuth service interface
+*
+* @package auth
+*/
+interface phpbb_auth_provider_oauth_service_interface
+{
+	/**
+	* Returns an array of the scopes necessary for auth
+	*
+	* @return	array	An array of the required scopes
+	*/
+	public function get_auth_scope();
+}